bpo-32150: Expand tabs to spaces in C files. (#4583)

Doc/includes/shoddy.c

Include/bitset.h

Include/bytesobject.h

Include/cellobject.h

Include/classobject.h

Include/code.h

Include/errcode.h

Include/funcobject.h

Include/grammar.h

Include/longintrepr.h

Include/node.h

Include/parsetok.h

Include/patchlevel.h

Include/pgenheaders.h

Include/pyfpe.h

Include/sliceobject.h

Mac/PythonLauncher/FileSettings.h

Mac/PythonLauncher/MyAppDelegate.h

Modules/_weakref.c

Modules/rotatingtree.h